<template>
  <com-card>
    <div slot="com_title">个人中心</div>
    <div slot="com_content">
      <el-descriptions title="用户信息">
        <el-descriptions-item label="管理员id:">{{
          accountInfo.id
        }}</el-descriptions-item>
        <el-descriptions-item label="账号：">
          {{ accountInfo.account }}</el-descriptions-item
        >
        <el-descriptions-item label="用户组：">
          {{ accountInfo.userGroup }}</el-descriptions-item
        >
        <el-descriptions-item label="创建时间：">
          <el-tag size="small">{{ accountInfo.ctime | dateMF }}</el-tag>
        </el-descriptions-item>
        <el-descriptions-item label="联系地址"
          >江苏省苏州市吴中区吴中大道 1188 号</el-descriptions-item
        >
      </el-descriptions>

      图片上传：
      <!-- action不请求axios，所以需要手动填写完整路径
     on-success：当图片通过action上传成功后的回调函数，res是文件上传成功后台响应数据，file是当前文件的对象
      -->
      <el-upload
        class="avatar-uploader"
        action="http://127.0.0.1:5000/users/avatar_upload"
        :show-file-list="false"
        :on-success="handleAvatarSuccess"
        :before-upload="beforeAvatarUpload"
      >
        <img v-if="imageUrl" :src="imageUrl" class="avatar" />
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </el-upload>
      <el-button type="primary" @click="editUpdate">修改头像</el-button>
    </div>
  </com-card>
</template>

<script>
import ComCard from "../../components/comCard";
import { api_editupd } from "../../api/users";
export default {
  components: {
    ComCard,
  },
  data() {
    return {
      accountInfo: {},
      imageUrl: "",
      imgUrl: "",
    };
  },
  mounted() {
    //在头部导航存储，在个人中心拿值
    this.accountInfo = this.$session.get("accountInfo");
    this.imageUrl = this.accountInfo.imgUrl;
  },
  methods: {
    //   修改头像按钮触发的方法，需要用到数据库
    async editUpdate() {
      let rst = await api_editupd({ imgUrl: this.imgUrl });
      let { code, msg } = rst;
      if (code == 0) {
        //  x兄弟组件传值 $emit发送的意思，$bus挂载到了vue的原型上
        this.$bus.$emit("sendHead", this.imageUrl);
      }
      console.log(rst);
    },
    handleAvatarSuccess(res, file) {
      //   this.imageUrl = URL.createObjectURL(file.raw);
      this.imageUrl = `http://127.0.0.1:5000//upload/imgs/acc_img/${res.imgUrl}`;
      this.imgUrl = res.imgUrl;
      console.log(res);
    },
    beforeAvatarUpload(file) {
      // 文件上传格式要求
      const isJPG = file.type === "image/jpeg" || file.type === "image/png";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
  },
};
</script>

<style lang="less" scoped>
/deep/.avatar-uploader .el-upload {
  margin-top: 10px;
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 150px;
  height: 150px;
  display: block;
}
</style>
